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Finding the Third Proportional to 553,685 and 1,207,426

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Solution

The third proportional to 553,685 and 1,207,426 is: 2,633,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,685 : 1,207,426 = 1,207,426 : x
  2. Step 2: Convert to fraction form
    553,685/1,207,426 = 1,207,426/x
  3. Step 3: Cross multiply
    553,685x = 1,207,426 × 1,207,426
  4. Step 4: Simplify right side
    553,685x = 1,457,877,545,476
  5. Step 5: Solve for x
    x = 1,457,877,545,476/553,685
  6. Step 6: Final answer
    x = 2,633,045.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.