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Finding the Third Proportional to 690,582 and 1,509,252

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Solution

The third proportional to 690,582 and 1,509,252 is: 3,298,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,582 : 1,509,252 = 1,509,252 : x
  2. Step 2: Convert to fraction form
    690,582/1,509,252 = 1,509,252/x
  3. Step 3: Cross multiply
    690,582x = 1,509,252 × 1,509,252
  4. Step 4: Simplify right side
    690,582x = 2,277,841,599,504
  5. Step 5: Solve for x
    x = 2,277,841,599,504/690,582
  6. Step 6: Final answer
    x = 3,298,437.55

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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.