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Finding the Third Proportional to 798,687 and 1,737,315

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Solution

The third proportional to 798,687 and 1,737,315 is: 3,779,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,687 : 1,737,315 = 1,737,315 : x
  2. Step 2: Convert to fraction form
    798,687/1,737,315 = 1,737,315/x
  3. Step 3: Cross multiply
    798,687x = 1,737,315 × 1,737,315
  4. Step 4: Simplify right side
    798,687x = 3,018,263,409,225
  5. Step 5: Solve for x
    x = 3,018,263,409,225/798,687
  6. Step 6: Final answer
    x = 3,779,031.60

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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.