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Finding the Third Proportional to 1,517,332.92 and 3,312,689.34

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Solution

The third proportional to 1,517,332.92 and 3,312,689.34 is: 7,232,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,332.92 : 3,312,689.34 = 3,312,689.34 : x
  2. Step 2: Convert to fraction form
    1,517,332.92/3,312,689.34 = 3,312,689.34/x
  3. Step 3: Cross multiply
    1,517,332.92x = 3,312,689.34 × 3,312,689.34
  4. Step 4: Simplify right side
    1,517,332.92x = 10,973,910,688,194.80
  5. Step 5: Solve for x
    x = 10,973,910,688,194.80/1,517,332.92
  6. Step 6: Final answer
    x = 7,232,368.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.