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Finding the Third Proportional to 993,804,786 and 2,153,234,115

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Solution

The third proportional to 993,804,786 and 2,153,234,115 is: 4,665,319,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,804,786 : 2,153,234,115 = 2,153,234,115 : x
  2. Step 2: Convert to fraction form
    993,804,786/2,153,234,115 = 2,153,234,115/x
  3. Step 3: Cross multiply
    993,804,786x = 2,153,234,115 × 2,153,234,115
  4. Step 4: Simplify right side
    993,804,786x = 4,636,417,153,999,833,088
  5. Step 5: Solve for x
    x = 4,636,417,153,999,833,088/993,804,786
  6. Step 6: Final answer
    x = 4,665,319,808.59

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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.