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Finding the Third Proportional to 7,128,218 and 10,299,046

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Solution

The third proportional to 7,128,218 and 10,299,046 is: 14,880,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,218 : 10,299,046 = 10,299,046 : x
  2. Step 2: Convert to fraction form
    7,128,218/10,299,046 = 10,299,046/x
  3. Step 3: Cross multiply
    7,128,218x = 10,299,046 × 10,299,046
  4. Step 4: Simplify right side
    7,128,218x = 106,070,348,510,116
  5. Step 5: Solve for x
    x = 106,070,348,510,116/7,128,218
  6. Step 6: Final answer
    x = 14,880,345.76

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.