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Finding the Third Proportional to 30,118,400 and 46,537,920

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Solution

The third proportional to 30,118,400 and 46,537,920 is: 71,908,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118,400 : 46,537,920 = 46,537,920 : x
  2. Step 2: Convert to fraction form
    30,118,400/46,537,920 = 46,537,920/x
  3. Step 3: Cross multiply
    30,118,400x = 46,537,920 × 46,537,920
  4. Step 4: Simplify right side
    30,118,400x = 2,165,777,997,926,400
  5. Step 5: Solve for x
    x = 2,165,777,997,926,400/30,118,400
  6. Step 6: Final answer
    x = 71,908,799.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.