Finding the Third Proportional to 163,514,513 and 358,809,691
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Solution
The third proportional to 163,514,513 and 358,809,691 is: 787,357,598.99
Step by Step Solution
- Step 1: Write the proportion equation
163,514,513 : 358,809,691 = 358,809,691 : x - Step 2: Convert to fraction form
163,514,513/358,809,691 = 358,809,691/x - Step 3: Cross multiply
163,514,513x = 358,809,691 × 358,809,691 - Step 4: Simplify right side
163,514,513x = 128,744,394,355,515,488 - Step 5: Solve for x
x = 128,744,394,355,515,488/163,514,513 - Step 6: Final answer
x = 787,357,598.99
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.