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Finding the Third Proportional to 1,121,066,368 and 2,619,316,980

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Solution

The third proportional to 1,121,066,368 and 2,619,316,980 is: 6,119,906,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,066,368 : 2,619,316,980 = 2,619,316,980 : x
  2. Step 2: Convert to fraction form
    1,121,066,368/2,619,316,980 = 2,619,316,980/x
  3. Step 3: Cross multiply
    1,121,066,368x = 2,619,316,980 × 2,619,316,980
  4. Step 4: Simplify right side
    1,121,066,368x = 6,860,821,441,716,320,256
  5. Step 5: Solve for x
    x = 6,860,821,441,716,320,256/1,121,066,368
  6. Step 6: Final answer
    x = 6,119,906,579.62

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.