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Finding the Third Proportional to 7,620,085.13 and 10,862,569.13

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Solution

The third proportional to 7,620,085.13 and 10,862,569.13 is: 15,484,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,085.13 : 10,862,569.13 = 10,862,569.13 : x
  2. Step 2: Convert to fraction form
    7,620,085.13/10,862,569.13 = 10,862,569.13/x
  3. Step 3: Cross multiply
    7,620,085.13x = 10,862,569.13 × 10,862,569.13
  4. Step 4: Simplify right side
    7,620,085.13x = 117,995,407,995,403.27
  5. Step 5: Solve for x
    x = 117,995,407,995,403.27/7,620,085.13
  6. Step 6: Final answer
    x = 15,484,788.69

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.