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Finding the Third Proportional to 30,807,828 and 66,752,878

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Solution

The third proportional to 30,807,828 and 66,752,878 is: 144,636,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,828 : 66,752,878 = 66,752,878 : x
  2. Step 2: Convert to fraction form
    30,807,828/66,752,878 = 66,752,878/x
  3. Step 3: Cross multiply
    30,807,828x = 66,752,878 × 66,752,878
  4. Step 4: Simplify right side
    30,807,828x = 4,455,946,721,282,884
  5. Step 5: Solve for x
    x = 4,455,946,721,282,884/30,807,828
  6. Step 6: Final answer
    x = 144,636,834.55

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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.