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Finding the Third Proportional to 155,510,339 and 334,098,789

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Solution

The third proportional to 155,510,339 and 334,098,789 is: 717,778,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,510,339 : 334,098,789 = 334,098,789 : x
  2. Step 2: Convert to fraction form
    155,510,339/334,098,789 = 334,098,789/x
  3. Step 3: Cross multiply
    155,510,339x = 334,098,789 × 334,098,789
  4. Step 4: Simplify right side
    155,510,339x = 111,622,000,811,266,528
  5. Step 5: Solve for x
    x = 111,622,000,811,266,528/155,510,339
  6. Step 6: Final answer
    x = 717,778,647.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.