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Finding the Third Proportional to 787,525.88 and 1,221,707.81

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Solution

The third proportional to 787,525.88 and 1,221,707.81 is: 1,895,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,525.88 : 1,221,707.81 = 1,221,707.81 : x
  2. Step 2: Convert to fraction form
    787,525.88/1,221,707.81 = 1,221,707.81/x
  3. Step 3: Cross multiply
    787,525.88x = 1,221,707.81 × 1,221,707.81
  4. Step 4: Simplify right side
    787,525.88x = 1,492,569,979,123.54
  5. Step 5: Solve for x
    x = 1,492,569,979,123.54/787,525.88
  6. Step 6: Final answer
    x = 1,895,264.68

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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.