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Finding the Third Proportional to 19,385,928 and 30,413,340

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Solution

The third proportional to 19,385,928 and 30,413,340 is: 47,713,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385,928 : 30,413,340 = 30,413,340 : x
  2. Step 2: Convert to fraction form
    19,385,928/30,413,340 = 30,413,340/x
  3. Step 3: Cross multiply
    19,385,928x = 30,413,340 × 30,413,340
  4. Step 4: Simplify right side
    19,385,928x = 924,971,249,955,600
  5. Step 5: Solve for x
    x = 924,971,249,955,600/19,385,928
  6. Step 6: Final answer
    x = 47,713,539.94

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.