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Finding the Third Proportional to 56,766,818 and 124,280,542

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Solution

The third proportional to 56,766,818 and 124,280,542 is: 272,089,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766,818 : 124,280,542 = 124,280,542 : x
  2. Step 2: Convert to fraction form
    56,766,818/124,280,542 = 124,280,542/x
  3. Step 3: Cross multiply
    56,766,818x = 124,280,542 × 124,280,542
  4. Step 4: Simplify right side
    56,766,818x = 15,445,653,119,813,764
  5. Step 5: Solve for x
    x = 15,445,653,119,813,764/56,766,818
  6. Step 6: Final answer
    x = 272,089,464.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.