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Finding the Third Proportional to 4,950,630 and 7,877,421

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Solution

The third proportional to 4,950,630 and 7,877,421 is: 12,534,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950,630 : 7,877,421 = 7,877,421 : x
  2. Step 2: Convert to fraction form
    4,950,630/7,877,421 = 7,877,421/x
  3. Step 3: Cross multiply
    4,950,630x = 7,877,421 × 7,877,421
  4. Step 4: Simplify right side
    4,950,630x = 62,053,761,611,241
  5. Step 5: Solve for x
    x = 62,053,761,611,241/4,950,630
  6. Step 6: Final answer
    x = 12,534,518.15

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.