Finding the Third Proportional to 279,646,116.19 and 420,636,705.75
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Solution
The third proportional to 279,646,116.19 and 420,636,705.75 is: 632,711,230.31
Step by Step Solution
- Step 1: Write the proportion equation
279,646,116.19 : 420,636,705.75 = 420,636,705.75 : x - Step 2: Convert to fraction form
279,646,116.19/420,636,705.75 = 420,636,705.75/x - Step 3: Cross multiply
279,646,116.19x = 420,636,705.75 × 420,636,705.75 - Step 4: Simplify right side
279,646,116.19x = 176,935,238,224,212,096 - Step 5: Solve for x
x = 176,935,238,224,212,096/279,646,116.19 - Step 6: Final answer
x = 632,711,230.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.