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Finding the Third Proportional to 68,955,160 and 148,371,930

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Solution

The third proportional to 68,955,160 and 148,371,930 is: 319,254,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,955,160 : 148,371,930 = 148,371,930 : x
  2. Step 2: Convert to fraction form
    68,955,160/148,371,930 = 148,371,930/x
  3. Step 3: Cross multiply
    68,955,160x = 148,371,930 × 148,371,930
  4. Step 4: Simplify right side
    68,955,160x = 22,014,229,611,924,900
  5. Step 5: Solve for x
    x = 22,014,229,611,924,900/68,955,160
  6. Step 6: Final answer
    x = 319,254,274.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.