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Finding the Third Proportional to 177,437,835 and 386,120,273

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Solution

The third proportional to 177,437,835 and 386,120,273 is: 840,231,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,437,835 : 386,120,273 = 386,120,273 : x
  2. Step 2: Convert to fraction form
    177,437,835/386,120,273 = 386,120,273/x
  3. Step 3: Cross multiply
    177,437,835x = 386,120,273 × 386,120,273
  4. Step 4: Simplify right side
    177,437,835x = 149,088,865,221,594,528
  5. Step 5: Solve for x
    x = 149,088,865,221,594,528/177,437,835
  6. Step 6: Final answer
    x = 840,231,539.24

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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.