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Finding the Third Proportional to 413,064 and 903,888

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Solution

The third proportional to 413,064 and 903,888 is: 1,977,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,064 : 903,888 = 903,888 : x
  2. Step 2: Convert to fraction form
    413,064/903,888 = 903,888/x
  3. Step 3: Cross multiply
    413,064x = 903,888 × 903,888
  4. Step 4: Simplify right side
    413,064x = 817,013,516,544
  5. Step 5: Solve for x
    x = 817,013,516,544/413,064
  6. Step 6: Final answer
    x = 1,977,934.45

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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.