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Finding the Third Proportional to 30,807,830 and 66,752,882

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Solution

The third proportional to 30,807,830 and 66,752,882 is: 144,636,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,830 : 66,752,882 = 66,752,882 : x
  2. Step 2: Convert to fraction form
    30,807,830/66,752,882 = 66,752,882/x
  3. Step 3: Cross multiply
    30,807,830x = 66,752,882 × 66,752,882
  4. Step 4: Simplify right side
    30,807,830x = 4,455,947,255,305,924
  5. Step 5: Solve for x
    x = 4,455,947,255,305,924/30,807,830
  6. Step 6: Final answer
    x = 144,636,842.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.