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Finding the Third Proportional to 88,460,147 and 138,465,491

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Solution

The third proportional to 88,460,147 and 138,465,491 is: 216,738,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,460,147 : 138,465,491 = 138,465,491 : x
  2. Step 2: Convert to fraction form
    88,460,147/138,465,491 = 138,465,491/x
  3. Step 3: Cross multiply
    88,460,147x = 138,465,491 × 138,465,491
  4. Step 4: Simplify right side
    88,460,147x = 19,172,692,197,871,080
  5. Step 5: Solve for x
    x = 19,172,692,197,871,080/88,460,147
  6. Step 6: Final answer
    x = 216,738,190.56

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.