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Finding the Third Proportional to 586,148 and 914,220

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Solution

The third proportional to 586,148 and 914,220 is: 1,425,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,148 : 914,220 = 914,220 : x
  2. Step 2: Convert to fraction form
    586,148/914,220 = 914,220/x
  3. Step 3: Cross multiply
    586,148x = 914,220 × 914,220
  4. Step 4: Simplify right side
    586,148x = 835,798,208,400
  5. Step 5: Solve for x
    x = 835,798,208,400/586,148
  6. Step 6: Final answer
    x = 1,425,916.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.