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Finding the Third Proportional to 39,302,246 and 85,317,772

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Solution

The third proportional to 39,302,246 and 85,317,772 is: 185,208,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302,246 : 85,317,772 = 85,317,772 : x
  2. Step 2: Convert to fraction form
    39,302,246/85,317,772 = 85,317,772/x
  3. Step 3: Cross multiply
    39,302,246x = 85,317,772 × 85,317,772
  4. Step 4: Simplify right side
    39,302,246x = 7,279,122,219,043,984
  5. Step 5: Solve for x
    x = 7,279,122,219,043,984/39,302,246
  6. Step 6: Final answer
    x = 185,208,810.18

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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.