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Finding the Third Proportional to 698,931 and 1,528,715

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Solution

The third proportional to 698,931 and 1,528,715 is: 3,343,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,931 : 1,528,715 = 1,528,715 : x
  2. Step 2: Convert to fraction form
    698,931/1,528,715 = 1,528,715/x
  3. Step 3: Cross multiply
    698,931x = 1,528,715 × 1,528,715
  4. Step 4: Simplify right side
    698,931x = 2,336,969,551,225
  5. Step 5: Solve for x
    x = 2,336,969,551,225/698,931
  6. Step 6: Final answer
    x = 3,343,634.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.