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Finding the Third Proportional to 8,387,896,632 and 13,023,808,578

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Solution

The third proportional to 8,387,896,632 and 13,023,808,578 is: 20,221,945,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,896,632 : 13,023,808,578 = 13,023,808,578 : x
  2. Step 2: Convert to fraction form
    8,387,896,632/13,023,808,578 = 13,023,808,578/x
  3. Step 3: Cross multiply
    8,387,896,632x = 13,023,808,578 × 13,023,808,578
  4. Step 4: Simplify right side
    8,387,896,632x = 169,619,589,876,386,398,208
  5. Step 5: Solve for x
    x = 169,619,589,876,386,398,208/8,387,896,632
  6. Step 6: Final answer
    x = 20,221,945,657.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.