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Finding the Third Proportional to 42,883,426 and 66,262,003

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Solution

The third proportional to 42,883,426 and 66,262,003 is: 102,385,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883,426 : 66,262,003 = 66,262,003 : x
  2. Step 2: Convert to fraction form
    42,883,426/66,262,003 = 66,262,003/x
  3. Step 3: Cross multiply
    42,883,426x = 66,262,003 × 66,262,003
  4. Step 4: Simplify right side
    42,883,426x = 4,390,653,041,572,009
  5. Step 5: Solve for x
    x = 4,390,653,041,572,009/42,883,426
  6. Step 6: Final answer
    x = 102,385,780.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.