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Finding the Third Proportional to 623,730 and 1,369,251

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Solution

The third proportional to 623,730 and 1,369,251 is: 3,005,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,730 : 1,369,251 = 1,369,251 : x
  2. Step 2: Convert to fraction form
    623,730/1,369,251 = 1,369,251/x
  3. Step 3: Cross multiply
    623,730x = 1,369,251 × 1,369,251
  4. Step 4: Simplify right side
    623,730x = 1,874,848,301,001
  5. Step 5: Solve for x
    x = 1,874,848,301,001/623,730
  6. Step 6: Final answer
    x = 3,005,865.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.