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Finding the Third Proportional to 84,833,653.50 and 129,715,897.50

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Solution

The third proportional to 84,833,653.50 and 129,715,897.50 is: 198,343,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833,653.50 : 129,715,897.50 = 129,715,897.50 : x
  2. Step 2: Convert to fraction form
    84,833,653.50/129,715,897.50 = 129,715,897.50/x
  3. Step 3: Cross multiply
    84,833,653.50x = 129,715,897.50 × 129,715,897.50
  4. Step 4: Simplify right side
    84,833,653.50x = 16,826,214,064,230,506
  5. Step 5: Solve for x
    x = 16,826,214,064,230,506/84,833,653.50
  6. Step 6: Final answer
    x = 198,343,621.55

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.