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Finding the Third Proportional to 17,897,490 and 38,780,964

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Solution

The third proportional to 17,897,490 and 38,780,964 is: 84,032,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897,490 : 38,780,964 = 38,780,964 : x
  2. Step 2: Convert to fraction form
    17,897,490/38,780,964 = 38,780,964/x
  3. Step 3: Cross multiply
    17,897,490x = 38,780,964 × 38,780,964
  4. Step 4: Simplify right side
    17,897,490x = 1,503,963,168,769,296
  5. Step 5: Solve for x
    x = 1,503,963,168,769,296/17,897,490
  6. Step 6: Final answer
    x = 84,032,072.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.