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Finding the Third Proportional to 242,484 and 526,440

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Solution

The third proportional to 242,484 and 526,440 is: 1,142,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,484 : 526,440 = 526,440 : x
  2. Step 2: Convert to fraction form
    242,484/526,440 = 526,440/x
  3. Step 3: Cross multiply
    242,484x = 526,440 × 526,440
  4. Step 4: Simplify right side
    242,484x = 277,139,073,600
  5. Step 5: Solve for x
    x = 277,139,073,600/242,484
  6. Step 6: Final answer
    x = 1,142,916.95

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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.