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Finding the Third Proportional to 64,624,684 and 138,329,432

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Solution

The third proportional to 64,624,684 and 138,329,432 is: 296,094,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624,684 : 138,329,432 = 138,329,432 : x
  2. Step 2: Convert to fraction form
    64,624,684/138,329,432 = 138,329,432/x
  3. Step 3: Cross multiply
    64,624,684x = 138,329,432 × 138,329,432
  4. Step 4: Simplify right side
    64,624,684x = 19,135,031,757,442,624
  5. Step 5: Solve for x
    x = 19,135,031,757,442,624/64,624,684
  6. Step 6: Final answer
    x = 296,094,782.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.