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Finding the Third Proportional to 12,999,378 and 28,168,260

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Solution

The third proportional to 12,999,378 and 28,168,260 is: 61,037,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,378 : 28,168,260 = 28,168,260 : x
  2. Step 2: Convert to fraction form
    12,999,378/28,168,260 = 28,168,260/x
  3. Step 3: Cross multiply
    12,999,378x = 28,168,260 × 28,168,260
  4. Step 4: Simplify right side
    12,999,378x = 793,450,871,427,600
  5. Step 5: Solve for x
    x = 793,450,871,427,600/12,999,378
  6. Step 6: Final answer
    x = 61,037,602.83

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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.