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Finding the Third Proportional to 621,570,730 and 932,127,855

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Solution

The third proportional to 621,570,730 and 932,127,855 is: 1,397,849,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,570,730 : 932,127,855 = 932,127,855 : x
  2. Step 2: Convert to fraction form
    621,570,730/932,127,855 = 932,127,855/x
  3. Step 3: Cross multiply
    621,570,730x = 932,127,855 × 932,127,855
  4. Step 4: Simplify right side
    621,570,730x = 868,862,338,066,900,992
  5. Step 5: Solve for x
    x = 868,862,338,066,900,992/621,570,730
  6. Step 6: Final answer
    x = 1,397,849,506.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.