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Finding the Third Proportional to 7,069,140 and 10,879,272

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Solution

The third proportional to 7,069,140 and 10,879,272 is: 16,742,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,140 : 10,879,272 = 10,879,272 : x
  2. Step 2: Convert to fraction form
    7,069,140/10,879,272 = 10,879,272/x
  3. Step 3: Cross multiply
    7,069,140x = 10,879,272 × 10,879,272
  4. Step 4: Simplify right side
    7,069,140x = 118,358,559,249,984
  5. Step 5: Solve for x
    x = 118,358,559,249,984/7,069,140
  6. Step 6: Final answer
    x = 16,742,992.68

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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.