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Finding the Third Proportional to 292,873,572 and 642,014,280

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Solution

The third proportional to 292,873,572 and 642,014,280 is: 1,407,372,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,873,572 : 642,014,280 = 642,014,280 : x
  2. Step 2: Convert to fraction form
    292,873,572/642,014,280 = 642,014,280/x
  3. Step 3: Cross multiply
    292,873,572x = 642,014,280 × 642,014,280
  4. Step 4: Simplify right side
    292,873,572x = 412,182,335,723,918,400
  5. Step 5: Solve for x
    x = 412,182,335,723,918,400/292,873,572
  6. Step 6: Final answer
    x = 1,407,372,925.15

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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.