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Finding the Third Proportional to 5,217,806.95 and 8,124,854.34

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Solution

The third proportional to 5,217,806.95 and 8,124,854.34 is: 12,651,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,806.95 : 8,124,854.34 = 8,124,854.34 : x
  2. Step 2: Convert to fraction form
    5,217,806.95/8,124,854.34 = 8,124,854.34/x
  3. Step 3: Cross multiply
    5,217,806.95x = 8,124,854.34 × 8,124,854.34
  4. Step 4: Simplify right side
    5,217,806.95x = 66,013,258,107,153.24
  5. Step 5: Solve for x
    x = 66,013,258,107,153.24/5,217,806.95
  6. Step 6: Final answer
    x = 12,651,533.24

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.