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Finding the Third Proportional to 153,139,374 and 235,385,156

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Solution

The third proportional to 153,139,374 and 235,385,156 is: 361,802,260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,139,374 : 235,385,156 = 235,385,156 : x
  2. Step 2: Convert to fraction form
    153,139,374/235,385,156 = 235,385,156/x
  3. Step 3: Cross multiply
    153,139,374x = 235,385,156 × 235,385,156
  4. Step 4: Simplify right side
    153,139,374x = 55,406,171,665,144,336
  5. Step 5: Solve for x
    x = 55,406,171,665,144,336/153,139,374
  6. Step 6: Final answer
    x = 361,802,260.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.