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Finding the Third Proportional to 999,587 and 2,193,709

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Solution

The third proportional to 999,587 and 2,193,709 is: 4,814,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,587 : 2,193,709 = 2,193,709 : x
  2. Step 2: Convert to fraction form
    999,587/2,193,709 = 2,193,709/x
  3. Step 3: Cross multiply
    999,587x = 2,193,709 × 2,193,709
  4. Step 4: Simplify right side
    999,587x = 4,812,359,176,681
  5. Step 5: Solve for x
    x = 4,812,359,176,681/999,587
  6. Step 6: Final answer
    x = 4,814,347.50

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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.