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Finding the Third Proportional to 688,726.50 and 1,495,428

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Solution

The third proportional to 688,726.50 and 1,495,428 is: 3,247,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,726.50 : 1,495,428 = 1,495,428 : x
  2. Step 2: Convert to fraction form
    688,726.50/1,495,428 = 1,495,428/x
  3. Step 3: Cross multiply
    688,726.50x = 1,495,428 × 1,495,428
  4. Step 4: Simplify right side
    688,726.50x = 2,236,304,903,184
  5. Step 5: Solve for x
    x = 2,236,304,903,184/688,726.50
  6. Step 6: Final answer
    x = 3,247,014.46

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.