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Finding the Third Proportional to 169,310,840 and 253,307,316

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Solution

The third proportional to 169,310,840 and 253,307,316 is: 378,975,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,310,840 : 253,307,316 = 253,307,316 : x
  2. Step 2: Convert to fraction form
    169,310,840/253,307,316 = 253,307,316/x
  3. Step 3: Cross multiply
    169,310,840x = 253,307,316 × 253,307,316
  4. Step 4: Simplify right side
    169,310,840x = 64,164,596,339,123,856
  5. Step 5: Solve for x
    x = 64,164,596,339,123,856/169,310,840
  6. Step 6: Final answer
    x = 378,975,122.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.