Finding the Third Proportional to 642,881,214 and 1,395,357,372
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Solution
The third proportional to 642,881,214 and 1,395,357,372 is: 3,028,587,790.71
Step by Step Solution
- Step 1: Write the proportion equation
642,881,214 : 1,395,357,372 = 1,395,357,372 : x - Step 2: Convert to fraction form
642,881,214/1,395,357,372 = 1,395,357,372/x - Step 3: Cross multiply
642,881,214x = 1,395,357,372 × 1,395,357,372 - Step 4: Simplify right side
642,881,214x = 1,947,022,195,594,746,368 - Step 5: Solve for x
x = 1,947,022,195,594,746,368/642,881,214 - Step 6: Final answer
x = 3,028,587,790.71
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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.