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Finding the Third Proportional to 56,766,816 and 124,280,538

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Solution

The third proportional to 56,766,816 and 124,280,538 is: 272,089,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766,816 : 124,280,538 = 124,280,538 : x
  2. Step 2: Convert to fraction form
    56,766,816/124,280,538 = 124,280,538/x
  3. Step 3: Cross multiply
    56,766,816x = 124,280,538 × 124,280,538
  4. Step 4: Simplify right side
    56,766,816x = 15,445,652,125,569,444
  5. Step 5: Solve for x
    x = 15,445,652,125,569,444/56,766,816
  6. Step 6: Final answer
    x = 272,089,456.73

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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.