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Finding the Third Proportional to 10,070 and 21,875

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Solution

The third proportional to 10,070 and 21,875 is: 47,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070 : 21,875 = 21,875 : x
  2. Step 2: Convert to fraction form
    10,070/21,875 = 21,875/x
  3. Step 3: Cross multiply
    10,070x = 21,875 × 21,875
  4. Step 4: Simplify right side
    10,070x = 478,515,625
  5. Step 5: Solve for x
    x = 478,515,625/10,070
  6. Step 6: Final answer
    x = 47,518.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.