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Finding the Third Proportional to 661,607 and 1,435,237

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Solution

The third proportional to 661,607 and 1,435,237 is: 3,113,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,607 : 1,435,237 = 1,435,237 : x
  2. Step 2: Convert to fraction form
    661,607/1,435,237 = 1,435,237/x
  3. Step 3: Cross multiply
    661,607x = 1,435,237 × 1,435,237
  4. Step 4: Simplify right side
    661,607x = 2,059,905,246,169
  5. Step 5: Solve for x
    x = 2,059,905,246,169/661,607
  6. Step 6: Final answer
    x = 3,113,487.68

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Why These Related Problems?

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