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Finding the Third Proportional to 28,328,490 and 62,611,701

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Solution

The third proportional to 28,328,490 and 62,611,701 is: 138,384,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,490 : 62,611,701 = 62,611,701 : x
  2. Step 2: Convert to fraction form
    28,328,490/62,611,701 = 62,611,701/x
  3. Step 3: Cross multiply
    28,328,490x = 62,611,701 × 62,611,701
  4. Step 4: Simplify right side
    28,328,490x = 3,920,225,102,113,401
  5. Step 5: Solve for x
    x = 3,920,225,102,113,401/28,328,490
  6. Step 6: Final answer
    x = 138,384,541.57

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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.