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Finding the Third Proportional to 191,918,944 and 417,914,048

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Solution

The third proportional to 191,918,944 and 417,914,048 is: 910,030,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918,944 : 417,914,048 = 417,914,048 : x
  2. Step 2: Convert to fraction form
    191,918,944/417,914,048 = 417,914,048/x
  3. Step 3: Cross multiply
    191,918,944x = 417,914,048 × 417,914,048
  4. Step 4: Simplify right side
    191,918,944x = 174,652,151,515,746,304
  5. Step 5: Solve for x
    x = 174,652,151,515,746,304/191,918,944
  6. Step 6: Final answer
    x = 910,030,807.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.