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Finding the Third Proportional to 63,176,286 and 137,979,141

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Solution

The third proportional to 63,176,286 and 137,979,141 is: 301,351,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,176,286 : 137,979,141 = 137,979,141 : x
  2. Step 2: Convert to fraction form
    63,176,286/137,979,141 = 137,979,141/x
  3. Step 3: Cross multiply
    63,176,286x = 137,979,141 × 137,979,141
  4. Step 4: Simplify right side
    63,176,286x = 19,038,243,351,097,880
  5. Step 5: Solve for x
    x = 19,038,243,351,097,880/63,176,286
  6. Step 6: Final answer
    x = 301,351,101.13

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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.