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Finding the Third Proportional to 69,896,525 and 109,408,051.50

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Solution

The third proportional to 69,896,525 and 109,408,051.50 is: 171,254,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896,525 : 109,408,051.50 = 109,408,051.50 : x
  2. Step 2: Convert to fraction form
    69,896,525/109,408,051.50 = 109,408,051.50/x
  3. Step 3: Cross multiply
    69,896,525x = 109,408,051.50 × 109,408,051.50
  4. Step 4: Simplify right side
    69,896,525x = 11,970,121,733,026,652
  5. Step 5: Solve for x
    x = 11,970,121,733,026,652/69,896,525
  6. Step 6: Final answer
    x = 171,254,890.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.