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Finding the Third Proportional to 10,143,316.50 and 15,708,690

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Solution

The third proportional to 10,143,316.50 and 15,708,690 is: 24,327,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,316.50 : 15,708,690 = 15,708,690 : x
  2. Step 2: Convert to fraction form
    10,143,316.50/15,708,690 = 15,708,690/x
  3. Step 3: Cross multiply
    10,143,316.50x = 15,708,690 × 15,708,690
  4. Step 4: Simplify right side
    10,143,316.50x = 246,762,941,516,100
  5. Step 5: Solve for x
    x = 246,762,941,516,100/10,143,316.50
  6. Step 6: Final answer
    x = 24,327,638.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.