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Finding the Third Proportional to 408,088 and 882,664

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Solution

The third proportional to 408,088 and 882,664 is: 1,909,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,088 : 882,664 = 882,664 : x
  2. Step 2: Convert to fraction form
    408,088/882,664 = 882,664/x
  3. Step 3: Cross multiply
    408,088x = 882,664 × 882,664
  4. Step 4: Simplify right side
    408,088x = 779,095,736,896
  5. Step 5: Solve for x
    x = 779,095,736,896/408,088
  6. Step 6: Final answer
    x = 1,909,136.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.