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Finding the Third Proportional to 28,328,492 and 62,611,705

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Solution

The third proportional to 28,328,492 and 62,611,705 is: 138,384,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,492 : 62,611,705 = 62,611,705 : x
  2. Step 2: Convert to fraction form
    28,328,492/62,611,705 = 62,611,705/x
  3. Step 3: Cross multiply
    28,328,492x = 62,611,705 × 62,611,705
  4. Step 4: Simplify right side
    28,328,492x = 3,920,225,603,007,025
  5. Step 5: Solve for x
    x = 3,920,225,603,007,025/28,328,492
  6. Step 6: Final answer
    x = 138,384,549.48

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.