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Finding the Third Proportional to 58,182,969 and 86,769,985.50

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Solution

The third proportional to 58,182,969 and 86,769,985.50 is: 129,402,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,182,969 : 86,769,985.50 = 86,769,985.50 : x
  2. Step 2: Convert to fraction form
    58,182,969/86,769,985.50 = 86,769,985.50/x
  3. Step 3: Cross multiply
    58,182,969x = 86,769,985.50 × 86,769,985.50
  4. Step 4: Simplify right side
    58,182,969x = 7,529,030,383,670,210
  5. Step 5: Solve for x
    x = 7,529,030,383,670,210/58,182,969
  6. Step 6: Final answer
    x = 129,402,650.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.