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Finding the Third Proportional to 7,159,230,458 and 15,557,781,329

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Solution

The third proportional to 7,159,230,458 and 15,557,781,329 is: 33,808,739,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,230,458 : 15,557,781,329 = 15,557,781,329 : x
  2. Step 2: Convert to fraction form
    7,159,230,458/15,557,781,329 = 15,557,781,329/x
  3. Step 3: Cross multiply
    7,159,230,458x = 15,557,781,329 × 15,557,781,329
  4. Step 4: Simplify right side
    7,159,230,458x = 242,044,559,880,981,020,672
  5. Step 5: Solve for x
    x = 242,044,559,880,981,020,672/7,159,230,458
  6. Step 6: Final answer
    x = 33,808,739,822.10

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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.