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Finding the Third Proportional to 12,567,420 and 19,341,018

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Solution

The third proportional to 12,567,420 and 19,341,018 is: 29,765,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,420 : 19,341,018 = 19,341,018 : x
  2. Step 2: Convert to fraction form
    12,567,420/19,341,018 = 19,341,018/x
  3. Step 3: Cross multiply
    12,567,420x = 19,341,018 × 19,341,018
  4. Step 4: Simplify right side
    12,567,420x = 374,074,977,276,324
  5. Step 5: Solve for x
    x = 374,074,977,276,324/12,567,420
  6. Step 6: Final answer
    x = 29,765,455.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.