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Finding the Third Proportional to 7,860,970 and 16,666,712

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Solution

The third proportional to 7,860,970 and 16,666,712 is: 35,336,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860,970 : 16,666,712 = 16,666,712 : x
  2. Step 2: Convert to fraction form
    7,860,970/16,666,712 = 16,666,712/x
  3. Step 3: Cross multiply
    7,860,970x = 16,666,712 × 16,666,712
  4. Step 4: Simplify right side
    7,860,970x = 277,779,288,890,944
  5. Step 5: Solve for x
    x = 277,779,288,890,944/7,860,970
  6. Step 6: Final answer
    x = 35,336,515.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.