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Finding the Third Proportional to 56,766,820 and 124,280,550

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Solution

The third proportional to 56,766,820 and 124,280,550 is: 272,089,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766,820 : 124,280,550 = 124,280,550 : x
  2. Step 2: Convert to fraction form
    56,766,820/124,280,550 = 124,280,550/x
  3. Step 3: Cross multiply
    56,766,820x = 124,280,550 × 124,280,550
  4. Step 4: Simplify right side
    56,766,820x = 15,445,655,108,302,500
  5. Step 5: Solve for x
    x = 15,445,655,108,302,500/56,766,820
  6. Step 6: Final answer
    x = 272,089,490.10

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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.