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Finding the Third Proportional to 86,018,997,890 and 134,938,425,431.50

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Solution

The third proportional to 86,018,997,890 and 134,938,425,431.50 is: 211,678,572,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,018,997,890 : 134,938,425,431.50 = 134,938,425,431.50 : x
  2. Step 2: Convert to fraction form
    86,018,997,890/134,938,425,431.50 = 134,938,425,431.50/x
  3. Step 3: Cross multiply
    86,018,997,890x = 134,938,425,431.50 × 134,938,425,431.50
  4. Step 4: Simplify right side
    86,018,997,890x = 18,208,378,657,932,486,639,616
  5. Step 5: Solve for x
    x = 18,208,378,657,932,486,639,616/86,018,997,890
  6. Step 6: Final answer
    x = 211,678,572,229.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.