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Finding the Third Proportional to 19,891,088 and 30,715,320

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Solution

The third proportional to 19,891,088 and 30,715,320 is: 47,429,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891,088 : 30,715,320 = 30,715,320 : x
  2. Step 2: Convert to fraction form
    19,891,088/30,715,320 = 30,715,320/x
  3. Step 3: Cross multiply
    19,891,088x = 30,715,320 × 30,715,320
  4. Step 4: Simplify right side
    19,891,088x = 943,430,882,702,400
  5. Step 5: Solve for x
    x = 943,430,882,702,400/19,891,088
  6. Step 6: Final answer
    x = 47,429,828.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.