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Finding the Third Proportional to 13,018,986 and 28,352,430

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Solution

The third proportional to 13,018,986 and 28,352,430 is: 61,745,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018,986 : 28,352,430 = 28,352,430 : x
  2. Step 2: Convert to fraction form
    13,018,986/28,352,430 = 28,352,430/x
  3. Step 3: Cross multiply
    13,018,986x = 28,352,430 × 28,352,430
  4. Step 4: Simplify right side
    13,018,986x = 803,860,286,904,900
  5. Step 5: Solve for x
    x = 803,860,286,904,900/13,018,986
  6. Step 6: Final answer
    x = 61,745,230.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.