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Finding the Third Proportional to 172,157,055 and 368,874,574

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Solution

The third proportional to 172,157,055 and 368,874,574 is: 790,373,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157,055 : 368,874,574 = 368,874,574 : x
  2. Step 2: Convert to fraction form
    172,157,055/368,874,574 = 368,874,574/x
  3. Step 3: Cross multiply
    172,157,055x = 368,874,574 × 368,874,574
  4. Step 4: Simplify right side
    172,157,055x = 136,068,451,343,681,472
  5. Step 5: Solve for x
    x = 136,068,451,343,681,472/172,157,055
  6. Step 6: Final answer
    x = 790,373,948.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.