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Finding the Third Proportional to 15,716,480 and 34,354,658

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Solution

The third proportional to 15,716,480 and 34,354,658 is: 75,095,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716,480 : 34,354,658 = 34,354,658 : x
  2. Step 2: Convert to fraction form
    15,716,480/34,354,658 = 34,354,658/x
  3. Step 3: Cross multiply
    15,716,480x = 34,354,658 × 34,354,658
  4. Step 4: Simplify right side
    15,716,480x = 1,180,242,526,296,964
  5. Step 5: Solve for x
    x = 1,180,242,526,296,964/15,716,480
  6. Step 6: Final answer
    x = 75,095,856.47

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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.